JP3737838B2 - 同期回路 - Google Patents
同期回路 Download PDFInfo
- Publication number
- JP3737838B2 JP3737838B2 JP14344295A JP14344295A JP3737838B2 JP 3737838 B2 JP3737838 B2 JP 3737838B2 JP 14344295 A JP14344295 A JP 14344295A JP 14344295 A JP14344295 A JP 14344295A JP 3737838 B2 JP3737838 B2 JP 3737838B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- phase
- frequency
- output
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001360 synchronised effect Effects 0.000 title claims description 17
- 230000000737 periodic effect Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 5
- 230000010363 phase shift Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronizing For Television (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/257,980 US5565928A (en) | 1994-06-10 | 1994-06-10 | Circuit for generating a scan at a multiple of a synchronizing signal |
| US08/257980 | 1994-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08279927A JPH08279927A (ja) | 1996-10-22 |
| JP3737838B2 true JP3737838B2 (ja) | 2006-01-25 |
Family
ID=22978592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14344295A Expired - Fee Related JP3737838B2 (ja) | 1994-06-10 | 1995-06-09 | 同期回路 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5565928A (enExample) |
| EP (1) | EP0692908B1 (enExample) |
| JP (1) | JP3737838B2 (enExample) |
| KR (1) | KR100379313B1 (enExample) |
| CN (1) | CN1062096C (enExample) |
| DE (1) | DE69531913T2 (enExample) |
| MY (1) | MY113714A (enExample) |
| SG (1) | SG45102A1 (enExample) |
| TW (1) | TW449977B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE520064C2 (sv) * | 1997-03-18 | 2003-05-20 | Telia Ab | Förbättringar av, eller med avseende på, MPEG-2 bredbandsmultimediaterminaler för audiovisuell kommunikation, eller distribution |
| EP0869619B1 (fr) * | 1997-04-02 | 2006-07-05 | Koninklijke Philips Electronics N.V. | Circuit intégré comportant une boucle de contrôle de phase |
| US6263034B1 (en) * | 1998-03-25 | 2001-07-17 | Vitesse Semiconductor Corporation | Circuit and technique for digital reduction of jitter transfer |
| JP3270406B2 (ja) * | 1998-12-08 | 2002-04-02 | エヌイーシーマイクロシステム株式会社 | ポジション制御回路 |
| JP3324647B2 (ja) * | 1999-08-23 | 2002-09-17 | 日本電気株式会社 | 水平同期信号に対する位相同期ループ回路 |
| US6798257B1 (en) * | 2001-03-21 | 2004-09-28 | Cisco Technology, Inc. | Method and apparatus for providing multiple clock signals on a chip using a second PLL library circuit connected to a buffered reference clock output of a first PLL library circuit |
| KR102546646B1 (ko) * | 2018-08-28 | 2023-06-23 | 매그나칩 반도체 유한회사 | 오실레이터 주파수 컨트롤러를 포함하는 디스플레이 구동 ic |
| TWI666871B (zh) * | 2019-01-17 | 2019-07-21 | 瑞昱半導體股份有限公司 | 二倍頻裝置及方法 |
| CN110530292A (zh) * | 2019-09-19 | 2019-12-03 | 北京天远三维科技股份有限公司 | 一种基于无线同步的扫描系统及扫描方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3891800A (en) * | 1971-03-16 | 1975-06-24 | Philips Corp | Line time base in a television receiver |
| JPH06101860B2 (ja) * | 1986-04-11 | 1994-12-12 | ソニー株式会社 | 時間軸補正装置 |
| JPH0832059B2 (ja) * | 1987-03-09 | 1996-03-27 | 株式会社日立製作所 | ディジタルテレビジョン信号処理装置 |
| US4791488A (en) * | 1987-08-12 | 1988-12-13 | Rca Licensing Corporation | Line-locked clock signal generation system |
| CA2038778C (en) * | 1990-03-26 | 1995-10-24 | Ronald Eugene Fernsler | Synchronized horizontal scanning at horizontal frequency multiples |
| US5121086A (en) * | 1991-04-09 | 1992-06-09 | Zenith Electronics Corporation | PLL including static phase error responsive oscillator control |
| JPH05207327A (ja) * | 1992-01-27 | 1993-08-13 | Mitsubishi Electric Corp | 水平同期回路 |
-
1994
- 1994-06-10 US US08/257,980 patent/US5565928A/en not_active Expired - Lifetime
-
1995
- 1995-03-28 TW TW084103015A patent/TW449977B/zh not_active IP Right Cessation
- 1995-05-31 EP EP95108283A patent/EP0692908B1/en not_active Expired - Lifetime
- 1995-05-31 DE DE69531913T patent/DE69531913T2/de not_active Expired - Fee Related
- 1995-06-02 MY MYPI95001453A patent/MY113714A/en unknown
- 1995-06-06 SG SG1995000597A patent/SG45102A1/en unknown
- 1995-06-09 KR KR1019950015118A patent/KR100379313B1/ko not_active Expired - Fee Related
- 1995-06-09 JP JP14344295A patent/JP3737838B2/ja not_active Expired - Fee Related
- 1995-06-10 CN CN95105626A patent/CN1062096C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100379313B1 (ko) | 2003-06-28 |
| SG45102A1 (en) | 1998-01-16 |
| US5565928A (en) | 1996-10-15 |
| TW449977B (en) | 2001-08-11 |
| CN1130321A (zh) | 1996-09-04 |
| KR960003292A (ko) | 1996-01-26 |
| CN1062096C (zh) | 2001-02-14 |
| MY113714A (en) | 2002-05-31 |
| EP0692908B1 (en) | 2003-10-15 |
| DE69531913T2 (de) | 2004-05-06 |
| EP0692908A3 (enExample) | 1996-02-07 |
| JPH08279927A (ja) | 1996-10-22 |
| EP0692908A2 (en) | 1996-01-17 |
| DE69531913D1 (de) | 2003-11-20 |
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|---|---|---|
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| JP3737838B2 (ja) | 同期回路 | |
| JP3703544B2 (ja) | インターレース形ビデオの垂直パン装置 | |
| KR200204617Y1 (ko) | Lcd모니터의 수직화면 제어장치 | |
| US5977836A (en) | Method and apparatus for controlling an output frequency of a phase locked loop | |
| JP3655275B2 (ja) | 水平偏向システム | |
| US5223931A (en) | Synchronized scanning at horizontal frequency | |
| US4660080A (en) | Synchronization circuit responsive to time-multiplexed signals | |
| US5329367A (en) | Horizontal blanking | |
| KR100360958B1 (ko) | Hout 위치 제어 회로 및 멀티 싱크 모니터 | |
| CA2038778C (en) | Synchronized horizontal scanning at horizontal frequency multiples | |
| JPH1023293A (ja) | 同期発生装置と画像表示装置 | |
| KR100256160B1 (ko) | 다중 주사 비율 동작을 위한 수평 블랭킹 신호 발생 장치 | |
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